<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <!-- slides -->
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-imgcontent" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  computed: {
    pages () {
      let pages = []
      this.iconList.forEach((item, index) => {
        let page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  },
  props: {
    iconList: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  }
}

</script>

<style lang="stylus" scoped>
  @import '~styles/variables.styl';
  @import '~styles/mixins.styl';
  .icons >>> .swiper-container
    overflow hidden
    height 0
    padding-bottom 50%
    /*background green*/
  .icons
    margin-top .2rem
    .icon
      position relative
      overflow hidden
      float left
      width 25%
      height 0
      padding-bottom 25%
      /*background red*/
      .icon-img
        position absolute
        box-sizing border-box
        padding .1rem
        top 0
        left 0
        bottom .44rem
        right 0
        .icon-imgcontent
          display block
          height 100%
          margin 0 auto
      .icon-desc
        position absolute
        left 0
        right 0
        bottom 0
        line-height .44rem
        height .44rem
        text-align center
        color $darkTextContent
        ellipse()
</style>
